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Commitments and Contingencies - Additional Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Commitments And Contingencies [Line Items]    
Lessee, operating lease, discount rate 8.00%  
Rent expenses $ 0.6 $ 0.6
San Jose, California    
Commitments And Contingencies [Line Items]    
Operating lease expiration period 2022-07  
Toronto, Canada    
Commitments And Contingencies [Line Items]    
Operating lease expiration period 2023-12  
Waterloo, Canada    
Commitments And Contingencies [Line Items]    
Operating lease expiration period 2022-09